Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. William S Unger, PHD

Individual provider Psychologist · NPI 1669494589

Dr. William S Unger, PHD is a Psychologist in Providence, Rhode Island. Practices as a sole proprietor. Licensed in Rhode Island.

Licensed in
RI
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

830 Chalkstone Ave
Providence, RI 02908
Phone: (401) 457-3077
Fax: (401) 457-3354
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS-408 (RI)

Record details

NPI number1669494589
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 24, 2006
Last updated in NPPESJuly 8, 2007
Mailing address830 Chalkstone Ave, Providence, RI 02908-4734

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